Nate Core Questions With Correct Solutions
What method of heat transfer does not require fluids or solids? ✔️Ans -
radiation
Capillary tubes are cut using what? ✔️Ans - triangular or knife edged file
Before beginning any electrical checkout procedure, what step must always be
taken after the equipment disconnect or circuit breaker has been turned off?
✔️Ans - check for the presence voltage
When making a flare, the height of the tubing above the flaring block is critical
because a flare with too much starting height will ✔️Ans - A flare with too
much height will not fit into the flare nut
The dew point is ✔️Ans - The temperature at which water vapor condenses
The temperature most often used by customers when discussing human is a
✔️Ans - Dry bulb reading
Which meter setting should a technician use to determine whether or not a set
contacts are open in an energized circuit ✔️Ans - voltmeter
Pictorial wiring diagrams generally show components ✔️Ans - In their
approximate positions in the equipment
A ladder schematic is useful for ✔️Ans - troubleshooting a unit
A digital electrical multimeter marked "autoranging" will automatically set
itself for ✔️Ans - Reading voltage and range when connected to a voltage
source
The following condition exist:
24v transformer with a 5:1 turns ratio,
Primary voltage 120v
In the event of a 4% primary voltage drop, what is ✔️Ans - 24 x 5 = 120 5:1
ratio
120 x 0.4 = 4.8 4% voltage drop
What method of heat transfer does not require fluids or solids? ✔️Ans -
radiation
Capillary tubes are cut using what? ✔️Ans - triangular or knife edged file
Before beginning any electrical checkout procedure, what step must always be
taken after the equipment disconnect or circuit breaker has been turned off?
✔️Ans - check for the presence voltage
When making a flare, the height of the tubing above the flaring block is critical
because a flare with too much starting height will ✔️Ans - A flare with too
much height will not fit into the flare nut
The dew point is ✔️Ans - The temperature at which water vapor condenses
The temperature most often used by customers when discussing human is a
✔️Ans - Dry bulb reading
Which meter setting should a technician use to determine whether or not a set
contacts are open in an energized circuit ✔️Ans - voltmeter
Pictorial wiring diagrams generally show components ✔️Ans - In their
approximate positions in the equipment
A ladder schematic is useful for ✔️Ans - troubleshooting a unit
A digital electrical multimeter marked "autoranging" will automatically set
itself for ✔️Ans - Reading voltage and range when connected to a voltage
source
The following condition exist:
24v transformer with a 5:1 turns ratio,
Primary voltage 120v
In the event of a 4% primary voltage drop, what is ✔️Ans - 24 x 5 = 120 5:1
ratio
120 x 0.4 = 4.8 4% voltage drop
